// ========================================================================
// Copyright (c) 2009-2009 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// The Eclipse Public License is available at 
// http://www.eclipse.org/legal/epl-v10.html
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// You may elect to redistribute this code under either of these licenses. 
// ========================================================================

package org.eclipse.jetty.security;

import java.security.Principal;

import javax.security.auth.Subject;

import org.eclipse.jetty.server.UserIdentity;

/* ------------------------------------------------------------ */
/**
 * The default implementation of UserIdentity.
 */
public class DefaultUserIdentity implements UserIdentity
{

	private final Subject _subject;
	private final Principal _userPrincipal;
	private final String[] _roles;

	public DefaultUserIdentity(Subject subject, Principal userPrincipal, String[] roles)
	{
		_subject = subject;
		_userPrincipal = userPrincipal;
		_roles = roles;
	}

	public Subject getSubject()
	{
		return _subject;
	}

	public Principal getUserPrincipal()
	{
		return _userPrincipal;
	}

	public boolean isUserInRole(String role, Scope scope)
	{
		if (scope != null && scope.getRoleRefMap() != null)
			role = scope.getRoleRefMap().get(role);

		for (String r: _roles)
			if (r.equals(role))
				return true;
		return false;
	}

	@Override
	public String toString()
	{
		return DefaultUserIdentity.class.getSimpleName() + "('" + _userPrincipal + "')";
	}
}
